using System;
using System.Text.RegularExpressions;
using System.Globalization;

namespace AsterNET
{
	public static class Common
	{
		#region Manager API Constants 

		/// <summary> The hostname to use if none is provided.</summary>
		public const string DEFAULT_HOSTNAME = "localhost";
		/// <summary> The port to use if none is provided.</summary>
		public const int DEFAULT_PORT = 5038;
		/// <summary>Line separator</summary>
		public const string LINE_SEPARATOR = "\r\n";

		public static Regex ASTERISK_VERSION = new Regex("^Asterisk\\s+([0-9]+.[0-9]+.[0-9]+).*", RegexOptions.Compiled | RegexOptions.IgnoreCase);
		public static Regex SHOW_VERSION_FILES_PATTERN = new Regex("^([\\S]+)\\s+Revision: ([0-9\\.]+)");
		public static char[] RESPONSE_KEY_VALUE_SEPARATOR = new char[] { ':' };
		public static char[] MINUS_SEPARATOR = new char[] { '-' };
		public static char INTERNAL_ACTION_ID_DELIMITER = '#';
		/// <summary> Variables delimiter </summary>
		public static char[] VAR_DELIMITER = new char[] { '|' };
		public static IFormatProvider CultureInfoEn = new CultureInfo("en-US", false);

		#endregion

		#region AGI Constants 

		/// <summary> The default AGI bind port. </summary>
		public const int AGI_BIND_PORT = 4573;
		/// <summary> The default AGI thread pool size. </summary>
		public const int AGI_POOL_SIZE = 10;
		/// <summary> The default AGI bind address. </summary>
		public const string AGI_BIND_ADDRESS = "0.0.0.0";

		public const string AGI_DEFAULT_RESOURCE_BUNDLE_NAME = "fastagi-mapping.resources";
		public const string AGI_END_OF_PROPER_USAGE = "520 End of proper usage.";

		public const int AGI_DEFAULT_MAX_DIGITS = 1024;
		public const int AGI_DEFAULT_TIMEOUT = 0;

		public static Regex AGI_STATUS_PATTERN = new Regex("^(\\d{3})[ -]", RegexOptions.Compiled);
		public static Regex AGI_RESULT_PATTERN = new Regex("^200 result= *(\\S+)", RegexOptions.Compiled);
		public static Regex AGI_PARENTHESIS_PATTERN = new Regex("^200 result=\\S* +\\((.*)\\)", RegexOptions.Compiled);
		public static Regex AGI_ADDITIONAL_ATTRIBUTES_PATTERN = new Regex("^200 result=\\S* +(\\(.*\\) )?(.+)$", RegexOptions.Compiled);
		public static Regex AGI_ADDITIONAL_ATTRIBUTE_PATTERN = new Regex("(\\S+)=(\\S+)", RegexOptions.Compiled);
		public static Regex AGI_SYNOPSIS_PATTERN = new Regex("^\\s*Usage:\\s*(.*)\\s*$", RegexOptions.Compiled);
		public static Regex AGI_SCRIPT_PATTERN = new Regex("^([^\\?]*)\\?(.*)$");
		public static Regex AGI_PARAMETER_PATTERN = new Regex("^(.*)=(.*)$");

		#endregion
	}
}
